<template>
  <div class="todo-header">
    <input type="text" placeholder="请输入你的任务名称，按回车键确认"
           v-model.trim="content"
           @keyup.enter="handleInput"/>
  </div>
</template>
<script>
import {nanoid} from "nanoid";

export default {
  name: 'MyHeader',
  props: {
    addTodo: {
      type: Function
    }
  },
  data() {
    return {
      content: ''
    }
  },
  methods: {
    handleInput() {
      if (this.content) {
        const todo = { id: nanoid(), content: this.content, done: false}
        this.addTodo(todo)
        this.content = ''
      }
    }
  }
}
</script>
<style scoped lang="css">
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}
</style>